Security jobs in Singapore

At Singtel, we believe in the strength of a vibrant, diverse and inclusive workforce where backgrounds, perspectives and life experiences of our people help us innovate and create strong connections with our customers. We strive to ensure all our people practices are non-discriminatory and provide a fair, performance-based work culture that is diverse, inclusive and collaborative.

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Singtel Networks, the most established telecommunications infrastructure provider in Singapore is transforming to enable the digital generation of tomorrow. We are introducing new capabilities in 5G, Cloud, Analytics, Digital Commerce, Software Engineering, Cyber Security to enhance our core competencies and deliver innovative and differentiated Mobile and Fixed services (Broadband, TV and Telephony) for our customers. We are committed to celebrating inclusion and diversity and is a strong believer to upskill and nurture all individuals. Come join us today as we build Singtel’s Networks of tomorrow, and Empower Every Generation to live, work and play in new ways!

The role is responsible to perform proactive service monitoring, in depth troubleshooting and operate system and platform in an optimal state. Ensure Infra structure services meeting service level KPIs, customer level satisfactory and regulatory requirement. The role is also accountable for Escalation to the Engineers in terms of any form of degradation of the service quality and service availability of the services provided. The detail scope are :-

• In-depth understanding and troubleshooting of DNS Caching & Authoritative/DHCP/2FA/NTP/Redhat platforms.
• Strong knowledge of IPV4/IPV6 protocols and Redhat Linux/VMware Operating systems operations and administration
• Perform system and service-level troubleshooting and replication to simulate issues in the staging environment.
• Responsible for supporting the daily operation and reporting.
• Support engineering team on testing, evaluating and deploying of enhancements and vulnerabilities.
• Able to recognize/detect problems by identifying abnormalities and trending through the various monitoring platform such as Cacti/Grafana/Nagios/SmokePing/Syslo
• Able to clearly escalation to various parties with clarity of the issues and perform follow ups till issues are resolved.
• Ability to create scripts in Shell, Python, Perl or other language
• Handle and support heighten level of monitoring/reporting and escalation during various kinds of Ad-hoc events such as National events.
• Provide Tier 2&3 support and escalations to engineering and vendors to address service issue and resolution.
• Experience in automation tools like Ansible/Puppet/UiPath.
• Participate in BCP program initiatives.
• Provide 24x7 support when needed.

• Diploma in Electronics Engineering, Telecommunications, or a related field
• At least 3-5 years working experience with emphasis on VMware/ Linux, RHEL, VMware, NTP, DNS, DHCP system
• Experience in operation of the following systems VMware/Linux, RHEL, MySQL DB, NetAppl. NTP, DNS, DHCP systems
• DNS/DHCP/Linux systems operation experienc
• The successful candidate will need to work 12 hours rotating shift fulfilling a 24x7 work cycle.

• Full suite of health and wellness benefits
• Ongoing training and development programs
• Internal mobility opportunities